<div class="container body">
    <div class="main_container">
        <div class="col-md-3 left_col">
            <left-nav></left-nav>
        </div>
        <div class="top_nav">
            <top-nav></top-nav>
        </div>
        <div class="right_col" role="main" ui-view>
            <h3>这里是工作空间</h3>
        </div>
        <footer-info></footer-info>
    </div>
</div>
